Bertram Ludäscher

Publications287
h-index45
Citations10,112
Highly Influential Citations594
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Scientific workflow management and the Kepler system
TLDR
Characteristics of and requirements for scientific workflows as identified in a number of application projects are described, and some key features of Kepler and its underlying Ptolemy II system, planned extensions, and areas of future research are described.
Kepler: an extensible system for design and execution of scientific workflows
TLDR
The Kepler scientific workflow system provides domain scientists with an easy-to-use yet powerful system for capturing scientific workflows (SWFs), a formalization of the ad-hoc process that a scientist may go through to get from raw data to publishable results.
Scientific workflow management and the Kepler system: Research Articles
TLDR
Characteristics of and requirements for scientific workflows as identified in a number of application projects are described, and some key features of Kepler and its underlying Ptolemy II system, planned extensions, and areas of future research are described.
XML-based information mediation with MIX
TLDR
The MIX mediator system, MIX, uses XML as the common model for data exchange and employs XML DTDs as a structural description (in effect, a “schema”) of the exchanged data to facilitate user-friendly query formulation and for optimization purposes.
An Ontology-Driven Framework for Data Transformation in Scientific Workflows
TLDR
This paper defines a generic framework for transforming heterogeneous data within scientific workflows, which relies on a formalized ontology, which serves as a simple, unstructured global schema.
Actor-Oriented Design of Scientific Workflows
TLDR
This work develops a formal model for scientific workflows based on an actor-oriented modeling and design approach, originally developed for studying models of complex concurrent systems, and extends this framework by introducing a novel hybrid type system.
Scientific Workflows: Business as Usual?
TLDR
An introduction and overview of scientific workflows is provided, highlighting features and important concepts commonly found in scientific workflow applications and proposing a number of research opportunities for cross-fertilization between the scientific workflow and business workflow communities.
Kepler: an extensible system for design and execution of scientific workflows
TLDR
The Kepler scientific workflow system provides domain scientists with an easy-to-use yet powerful system for capturing scientific workflows (SWFs), a formalization of the ad-hoc process that a scientist may go through to get from raw data to publishable results.
A cell-centered database for electron tomographic data.
TLDR
A web-accessible database tailored to high-resolution cellular level structural and protein localization data derived from electron tomography, designed to provide a resource for structural biologists and to make tomographic data sets available to the scientific community at large.
Scientific workflow design for mere mortals
TLDR
This work identifies a set of desiderata for scientific workflow systems crucial for enabling scientists to model and design the workflows they wish to automate themselves and shows how the collection-oriented modeling and design (comad) approach for scientific workflows can help provide these critical, design-oriented capabilities to scientists.
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